GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 861397  Size: SH
  1. Remove the liftgate trim. Refer to Liftgate Trim Panel Replacement .
  2. Remove the rear liftgate spoiler water channel.
  3. Remove the rear liftgate spoiler nuts.
  4. Using a thin-bladed tool, cut the adhesive tape along the upper edge of the rear spoiler.

  5. Object Number: 861401  Size: SH
  6. Using a thin-bladed tool, cut the adhesive tape along the lower edge of the rear spoiler.

  7. Object Number: 861381  Size: SH
  8. Remove the rear spoiler from the liftgate.
  9. Clean the vehicle mounting surface and the rear spoiler using Varnish Makers and Painters (VMP) naphtha.

Installation Procedure


    Object Number: 861381  Size: SH

    Important: Do not touch the adhesive backing.

  1. Remove the backing tape from the underside of the spoiler.
  2. Install the rear spoiler to the liftgate, pressing into place until the adhesive is fully seated.
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the nuts to the rear liftgate spoiler.
  5. Tighten
    Tighten the rear liftgate spoiler nuts to 6 N·m (53 lb in).

  6. Install the rear liftgate spoiler water channel.
  7. Install the liftgate trim. Refer to Liftgate Trim Panel Replacement .